Dry desulfurization method for cement production
A technology of dry desulfurization and cement raw meal, applied in separation methods, chemical instruments and methods, and separation of dispersed particles, can solve problems such as high cost and complexity, secondary pollution, and low desulfurization efficiency, and achieve simple desulfurization methods Easy to operate, significant desulfurization effect, and improved desulfurization rate
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[0018] The present invention will be described in detail below in conjunction with the examples. The desulfurization method only needs to add the dry desulfurizer of the present invention to the raw meal calcining link of cement preparation to achieve desulfurization. The specific cement production links are well known to those skilled in the art. Therefore, the cement preparation process will not be described in detail in the examples.
[0019] The following table 1 is the mass parts of each component of the dry desulfurizer selected for four embodiments:
[0020] Table 1:
[0021] Example 1 Example 2 Example 3 Example 4 rare earth 4 parts (light rare earths including praseodymium and neodymium oxides) 7 parts (light rare earths including praseodymium and neodymium oxides) 7 parts (light rare earths excluding praseodymium and neodymium oxides) 7 parts (heavy rare earth) Vanadium pentoxide 8 servings 10 copies 10 copies 10 copies ...
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